x, 164pp, 2pp of publisher's ads, occasional black and white charts and diagrams. Laminated pale green cloth-covered boards, black titles on front and spine. 8vo. Spine has a shelf number sticker at the heel; spine ends and corners lightly rubbed. Text block edges tanning. Front pastedown lightly stained, lender's bookplate; front free endpaper has an lender's barcode and lending sheet. Copyright page has an lender's stamp and signs of poor sticker removal. Last page has an lender's stamp. Heavy tanning around page margins. Internally neat, clean and tight. Managing editors: M Beckmann and W Krelle.
